Attractions between water molecules are called:

a. covalent bonds

b. polar bonds

c. hydrogen bonds

d. ionic bonds

What were the three key observations made by darwin that allowed him to deduce that natural selection is a primary driver of evolution?

Why is a cells growth limited

What is heterotrophs

Law of independent assortment states

Which is NOT a key abiotic factor in marine ecosystems? a. water temperature c. amount of sunlight b. water depth d. amount of plankton

Atom in a blank stay in a fixed position and have no freedom to move

When sulfur combines with water vapor to form sulfric acid, the resulting precipitation is called?

Predict how an ecosystem would respond if either its producers or decomposers were removed.

What are the three main body segments in arthropods? a. cephalothorax, abdomen and appendages b. thorax, appendages and spiracles c. head, cephalothorax and appendages d. head, thorax and abdomen

What organelle in a eukaryote cell is most noticeable under a microscope Nuclear envelope Nucleolus Ribosome Nucleus